added api info

lib/swagger.js

@@ -15,6 +15,8 @@
 
     SwaggerApi.prototype.authorizationScheme = null;
 
+    SwaggerApi.prototype.info = null;
+
     function SwaggerApi(url, options) {
       if (options == null) {
         options = {};
@@ -71,6 +73,9 @@
             }
             _this.apis = {};
             _this.apisArray = [];
+            if (response.info != null) {
+              _this.info = response.info;
+            }
             isApi = false;
             _ref = response.apis;
             for (_i = 0, _len = _ref.length; _i < _len; _i++) {